Antitumor effect of the integrin α4 signaling inhibitor JK273 in non-small cell lung cancer NCI-H460 cells.

Abstract:

:Lung cancer accounts for the highest death rate among cancers worldwide, with most patients being diagnosed with non-small cell lung cancer (NSCLC), urging more effective therapies. We report that JK273, a pyrrolo[2,3-d]pyrimidine analog, which inhibits α4 integrin signaling, showed a selective cytotoxic effect against HCI-H460 NSCLC cells, with an IC50 of 0.98 ± 0.15 μM, but showed less sensitivity to fibroblasts with a selectivity index (SI) greater than 30. This effect was attributed to cell cycle arrest at S phase by JK273 treatment, resulting in the apoptosis of NCI-H460 cells, further confirmed by exposing phosphatidylserine and morphological changes. Taken together with the previous study of JK273 inhibiting cell migration, we propose that JK273 could serve as an antitumor compound to specifically target cancer cells but not non-cancerous cells by triggering programmed cell death, in addition to anti-metastatic effects in cancer therapy.

authors

Lu TN,Ganganna B,Pham TT,Vo AV,Lu TP,Nguyen HT,Nguyen MT,Huynh PN,Truong NT,Lee J

doi

10.1016/j.bbrc.2017.07.096

subject

Has Abstract

pub_date

2017-09-16 00:00:00

pages

355-360

issue

2

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(17)31446-8

journal_volume

491

pub_type

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